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Research ArticleThe Portuguese Severe Asthma Registry: Development,Features, and Data Sharing Policies
Ana Sá-Sousa ,1 João Almeida Fonseca ,1,2,3 AnaMargarida Pereira,1,2,3
Ana Ferreira,1 Ana Arrobas ,4 AnaMendes,5 Marta Drummond,6,7,8 Wanda Videira,9
Tiago Costa,10 Pedro Farinha,10 José Soares,10 Pedro Rocha,10 Ana Todo-Bom,11,12
Anna Sokolova,13 António Costa,14 Beatriz Fernandes,15 Carla Chaves Loureiro,16
Cec-lia Longo,17 Cec-lia Pardal,17 Célia Costa,5 C-ntia Cruz,18 Cláudia Chaves Loureiro,19,20
Cristina Lopes,21,22 Duarte Mesquita,23 Em-lia Faria,24 Eunice Magalhães,25
FernandoMenezes,26 Filipa Todo-Bom,27 Francisca Carvalho,5 Frederico S. Regateiro,24
Helena Falcão,28 Ivone Fernandes,29 João Gaspar-Marques,30,31 Jorge Viana,24
José Ferreira,32 José Manuel Silva,33 Laura Simão,34 Leonor Almeida,6 L-gia Fernandes,35
Lurdes Ferreira,15 Mafalda van Zeller,6,8,36 Márcia Quaresma,37 Margarida Castanho,26
Natália André,38 Nuno Cortesão,39 Paula Leiria-Pinto,30,31 Paula Pinto,9,40 Paula Rosa,41
Pedro Carreiro-Martins,30,31 Rita Gerardo,42 Rui Silva,43 Susana Lucas,44
Teresa Almeida,4 and Teresa Calvo45
1 Center for Health Technology and Services Research (CINTESIS), Faculdade de Medicina, Universidade do Porto, Porto, Portugal2 Department of CommunityMedicine, Information, andHealth Sciences (MEDCIDS), Faculdade deMedicinaUniversidade do Porto,Porto, Portugal
3 Allergy Unit, Instituto & Hospital CUF Porto, Porto, Portugal4 Pulmonology Department, Centro Hospitalar e Universitario de Coimbra, Coimbra, Portugal5 Immunology and Allergy Department, Centro Hospitalar Lisboa Norte, EPE, Lisboa, Portugal6 Pulmonology Department, Centro Hospitalar de S. Joao, EPE, Porto, Portugal7 Pulmonology Department, Faculty of Medicine University of Porto, Porto, Portugal8 I3S Instituto de Investigacao e Inovacao em Saude, Universidade do Porto, Porto, Portugal9 Pulmonology Department, Centro Hospitalar Lisboa Norte, EPE, Lisboa, Portugal10VirtualCare, Porto, Portugal11 Immunoallergology Department, Centro Hospitalar e Universitario de Coimbra, Coimbra, Portugal12 Immunoallergology Department, Faculdade de Medicina, Universidade do Coimbra, Coimbra, Portugal13 Immunology and Allergy Department, Hospital Prof. Doutor Fernando Fonseca, EPE, Amadora, Portugal14Pulmonology Department, Hospital da Senhora da Oliveira, Guimaraes EPE, Guimaraes, Portugal15Pulmonology Department, Hospital de Braga, Braga, Portugal16Department of Pediatrics, Centro Hospitalar e Universitario de Coimbra, Coimbra, Portugal17Pulmonology Department, Hospital Prof. Doutor Fernando Fonseca, EPE, Amadora, Portugal18 Immunology and Allergy Department, Centro Hospital de Setubal, EPE, Setubal, Portugal19Pulmonology Unit, Hospitais da Universidade de Coimbra, Centro Hospitalar e Universitario de Coimbra, Portugal20Centre of Pulmonology, Faculty of Medicine, University of Coimbra, Coimbra, Portugal21 Immunology and Allergy Department, Hospital Pedro Hispano Unidade Local de Saude Matosinhos, EPE, Matosinhos, Portugal22Immunology Dpeartment, Faculdade de Medicina da Universidade do Porto, Porto, Portugal23Novartis Farma-Produtos Farmaceuticos, S.A., Porto Salvo, Portugal24Immunology and Allergy Department, Centro Hospitalar e Universitario de Coimbra, Coimbra, Portugal25Pulmonology Department, Centro Hospitalar Cova da Beira, EPE, Covilha, Portugal26Pulmonology Department, Hospital Garcia de Orta, EPE, Almada, Portugal27Pulmonology Department, Hospital Beatriz Angelo, Loures, Portugal28Immunology and Allergy Department, Centro Hospitalar do Porto, EPE, Porto, Portugal
HindawiBioMed Research InternationalVolume 2018, Article ID 1495039, 12 pageshttps://doi.org/10.1155/2018/1495039
2 BioMed Research International
29Pulmonology Department, Centro Hospital de Setubal, EPE, Setubal, Portugal30Immunology and Allergy Department, Centro Hospitalar de Lisboa Central, EPE, Lisboa, Portugal31 CEDOC, Integrated Pathophysiological Mechanisms Research Group, Lisboa, Portugal32Immunology and Allergy Department, Centro Hospitalar de Vila Nova de Gaia/Espinho, EPE, Vila Nova de Gaia, Portugal33Pulmonology Department, Unidade Local de Saude da Guarda, EPE, Guarda, Portugal34Pulmonology Department, Centro Hospitalar Tamega e Sousa, EPE, Penafiel, Portugal35Pulmonology Department, Hospital Distrital Figueira da Foz, EPE, Figueira da Foz, Portugal36Pulmonology Department, Faculdade de Medicina, Universidade do Porto, Porto, Portugal37Department of Pediatrics, Centro Hospitalar de Tras-os-Montes e Alto Douro, EPE, Vila Real, Portugal38Pulmonology Department, Centro Hospitalar do Oeste, Torres Vedras, Portugal39Pulmonology Department, Hospital da Luz Arrabida, Vila Nova de Gaia, Portugal40ISAMB, Instituto de Saude Ambiental Faculdade de Medicina de Lisboa. Lisboa, Portugal41Pulmonology Department, Hospital de Vila Franca de Xira, Vila Franca de Xira, Portugal42Pulmonology Department, Centro Hospitalar de Lisboa Central, EPE, Lisboa, Portugal43Immunology and Allergy Department, Centro Hospitalar de Tras-os-Montes e Alto Douro, EPE, Vila Real, Portugal44Pulmonology Department, Centro Hospitalar Universitario do Algarve, Faro, Portugal45Pulmonology Department, Centro Hospitalar de Tras-os-Montes e Alto Douro, EPE, Vila Real, Portugal
Correspondence should be addressed to Joao Almeida Fonseca; fonseca.ja@gmail.com
Received 23 April 2018; Accepted 8 August 2018; Published 21 November 2018
Academic Editor: Pankaj K. Bhavsar
Copyright © 2018 Ana Sa-Sousa et al. This is an open access article distributed under the Creative Commons Attribution License,which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The Portuguese Severe Asthma Registry (Registo de Asma Grave Portugal, RAG) was developed by an open collaborative networkof asthma specialists. RAG collects data from adults and pediatric severe asthma patients that despite treatment optimization andadequatemanagement of comorbidities require step 4/5 treatment according toGINA recommendations. In this paper, we describethe development and implementation of RAG, its features, and data sharing policies. The contents and structure of RAG weredefined in a multistep consensus process. A pilot version was pretested and iteratively improved.The selection of data elements forRAG considered other severe asthma registries, aiming at characterizing the patient’s clinical status whilst avoiding overloadingthe standard workflow of the clinical appointment. Features of RAG include automatic assessment of eligibility, easy data input,and exportable data in natural language that can be pasted directly in patients’ electronic health record and security features toenable data sharing (among researchers and with other international databases) without compromising patients’ confidentiality.RAG is a national web-based disease registry of severe asthma patients, available at asmagrave.pt. It allows prospective clinical datacollection, promotes standardized care and collaborative clinical research, andmay contribute to inform evidence-based healthcarepolicies for severe asthma.
1. Introduction
Severe asthma has been defined as asthma which requirestreatment with high dose inhaled corticosteroids plus a sec-ond controller (and/or systemic corticosteroids), to preventit from becoming “uncontrolled” or asthma which remains“uncontrolled” despite this therapy [1].
To improve care, a better understanding of the etiol-ogy, burden and management patterns of severe asthma isneeded.Themanagement of severe asthma is challenging andinvolves treatment of comorbidities, medication adherence,allergens exposure avoidance, among others. One of thegreatest difficulties is the choice of the optimal treatmentfor each given patient, although algorithms for treatmentdecisions have been suggested [2, 3]. Monoclonal antibodiestargeting immunoglobulin-E (IgE) and interleukin-5 arecurrently available and new biologics are under development.However, it is not easy to choose between the biologics tobe the first-choice treatment, and head-to-head comparison
studies between them do not exist [4]. A trial involving thedirect comparison of two or more treatments is a pressingneeded, but it may never be carried out [4]. Hence, clinicalobservational studies of real-world large patient populationsshould contribute to the knowledge on how to select the bestbiologic treatment for an individual patient.
Disease registries are recognized as powerful tools toimprove disease-related knowledge. They consist of orga-nized systems that use observational studymethods to collectuniform data aiming at evaluating specific outcomes for aheterogeneous population defined by a particular disease[5]. This type of study design enables the assessment of theeffect of different therapies in the context of a single dis-ease. Severe asthma registries are being created throughoutEurope including in the United Kingdom (UK), Belgium,Germany, Austria, Netherlands, Italy, and Spain (Table 1).However, research aiming at reducing the disease-relatedburden requires prospective long-lasting studies and thecoordination of a wide range of expertise, often only available
BioMed Research International 3
Table1:Eu
ropean
Registr
ieso
fSevereA
sthma,an
oncomprehensiv
ereview.
Registr
yname
Cou
ntry
Year
ofrelease
Prom
otingSo
ciety
Website
Patie
nts
inclu
ded
No.of
centers
Sources/
publish
edstu
dies
UnitedKingdo
mSevere
Asth
ma
Registr
y
United
Kingdo
m2006
British
Thoracic
Society
https://w
ww.brit-thoracic.org.uk/sta
ndards-of-c
are/
lung
-dise
ase-registr
ies/
>500
8[13–22]
BelgianSevere
Asth
maR
egistry
Belgium
2008
Belgisc
heVe
reniging
voor
Pneumologie/
SocieteB
elge
dePn
eumologie
http://www1.cito
bi.be/SA
R/Welcomeen.ac
t>350
9[23,24]
Registe
rSchwe
res
Asth
ma
Germany
2011
German
Asth
ma
Nete.V
.http://www.germ
an-asth
ma-net.d
e>100
17[25,26]
Bancode
Datos
deAsm
aSpain
<2012
Sociedad
Espano
lade
Neumologiay
CirurgiaT
oracica
https://w
ww.separ.es/?q=n
ode/71
>290
30[27,28]
Austr
ianSevere
Asth
maN
etAu
stria
2012
Austr
ianSevere
Asth
maN
et(A
SA-N
et)
http://www.asa-net.at/r
egister/
>80
16[29]
Severe/U
ncon
trolled
Asth
maR
egistry
Italy
2014
ItalianSevere
Asth
maN
etwo
rk(SANI).
http://www.sani-asm
a.org
>40
063
[30,31]
Registr
yof
Adult
Patie
ntsw
ithSevere
asthmafor
Optim
alDise
asem
anagem
ent
Netherla
nds
2016
Academ
isch
Medisc
hCentrum
(Prof.dr.E
.H.D.
Bel)
https://w
ww.zonm
w.nl/nl/
over-zon
mw/in
novatie
-in-de-zorg/program
mas/
project-d
etail/g
oed-gebruik-geneesmiddelen/registr
y-of-
adult-p
atients-with
-severe-asthma-for-op
timal-
disease-managem
entrapsodi/versla
gen/
>20
3[32]
Registo
deAsm
aGrave
Portug
alPo
rtug
al2018
Rede
deEspecialistas
emAsm
aGrave
https://w
ww.asmagrave.pt/
Release
plannedfor
2ndtrim
ester
of2018
31-
4 BioMed Research International
at an international or even global level [6]. With the goal ofestablishing a global collaborative initiative, the InternationalSevere Asthma Registry was created and the enrollmentof 10 national registries is expected by December 2018[7].The European Respiratory Society (ERS) Research Agencypromotes collaborative Europe-wide research based on datacollected from disease registries [8]. Its actions includethe development of Standard Operational Procedures andguidelines, consent forms to collect and handle data incompliance with the EU legal and regulatory framework, andestablishing a central point to access datasets from multipleprojects. In 2016 the collaboration Severe HeterogeneousAsthma Research collaboration, Patient-centered (SHARP)was accepted as an ERS Clinical Research Collaborations[9]. Taking this into consideration, new registries should bedesigned to enable sharing information and coordinationamong databases (e.g., federated databases).
Asthma affects 6.8% of the Portuguese population [10].Using the data from the Portuguese National Asthma Surveywe estimate 7.4% of patients were on step 4 or 5 treatmentas defined by Global Initiative for Asthma (unpublisheddata). Even though severe asthma patients represent only asmall proportion of those with asthma, they account for alarge proportion of asthma-related morbidity and health careexpenditures [11].
REAG, Rede de Especialistas em Asma Grave, is an opencollaborative network of asthma specialists (allergists, pedi-atricians, and pulmonologists) who manage severe asthmapatients in Portuguese hospitals. The foundational principleof REAG is the informal peer collaboration among col-leagues with different medical specialties and backgrounds,maintaining an unhierarchical organization and consensualdecision processes to improve sharing of medical experience,data, and knowledge. Since 2011, this network of expertshas been working towards a better care of severe asthmapatients by (1) promoting a better coordination betweenmedical specialties for early diagnosis and referral of severeasthma patients; (2) describing and implementing harmo-nized procedures to adopt in severe asthma healthcare; and(3) improving scientific knowledge on severe asthma inPortugal. In 2015, REAG published a real-life prospectivestudy on Portuguese patients with severe persistent allergicasthma, treated with omalizumab [12]. This was the first-time specialists from different Portuguese centers who madean effort to harmonize the registration procedures for severeasthma. From this initial study, the necessity for a computer-ized disease registry became even more evident.
The purpose of the Portuguese Severe Asthma Registry(Registo de Asma Grave Portugal (RAG)) is to gather evidenceon severe asthma in Portugal contributing to eliminate theinformation gaps and support the adoption of evidence-basedhealth care policies. Specifically, the registry aims at
(1) improving the healthcare delivery of severe asthma byidentifying the best diagnosis and treatment practicesand by standardizing disease management processesand clinical records;
(2) supporting collaborative research projects by promot-ing the cooperation between centers and assist withthe implementation of research projects.
In this paper, we describe the development and implementa-tion of RAG, its features, and data sharing policies.
2. Material and Methods
RAG results from the collaboration between different stake-holders: the medical experts from REAG, the investigatorsfrom CINTESIS (Center for Health Technology and ServicesResearch), and the software development company Virtual-Care.
The development and implementation processes of RAGare summarized in Figure 1.
2.1. Definition of Contents. The criteria for patient inclusionin RAG, the domains, and data elements to be registered weredefined by a multistep consensus method.
The patients’ inclusion criteria were based on the defini-tion of Severe Asthma byGINA [1]: (1) patient with treatmenton step 4 or 5 according to GINA recommendations; and (2)verified optimization of treatment adherence and comorbidi-ties management. An additional inclusion criterion was (3)the patient’s signed consent to have his/her data included inthe registry.
During a meeting (April 2016), the domains and dataelements were enumerated, based on the medical expertiseof the network and taking into consideration the variablesexisting in three existing European Registries: the Belgian,the German, and the UK Severe Asthma Registries. Bothdata elements to be included in the initial patient registryand relevant follow-up information were identified. Differentdata entry methods were considered to reduce the burden ofresponse.
An online questionnaire sent to 79 medical specialistsfrom REAG was used to explore the importance of eachdata element and adequacy of data entry method. A totalof 34 participants (43%) completed the questionnaire. Foreach domain, data elements and methods for data entry werechosen when gathering at least 80% of the votes. Commentsand suggestions regarding additional variables or differentdata entry methods were also considered. The results of thequestionnaire were presented in a meeting (March 2017) anddisagreements were solved by consensus.
2.2. Features. Database specifications concerning data def-initions and parameters and data validation rules weredetermined. To assist confirmation of the first criterionand support decision-making, an algorithm to automaticallydetermine the step of treatment based on currently usedasthma medication was created.
The following additional features were implemented:(i) Support on data entry by automatic validation of the
inserted data and error messages(ii) Creation of automatic reports, based on the informa-
tion stored, to be integrated into the institutional elec-tronic health record (the data recorded are exportablein natural language by generating a text that mimicsclinical notes)
(iii) Graphic display of aggregated data on patients’ inclu-sion by healthcare center
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Collaboration setupMedical Experts (REAG)
Clinical research (CINTESIS)So�ware development (VirtualCare)
Identification of domains and data elements to include (April 2016 meeting)
1
Online questionnaireon importance and adequacy of each
previously enumerated data element and method for data entry
Presentation of the results ofthe online questionnaire
Consensus meeting(March 2017 meeting)
2
Implementation• Database specifications• Data definitions and parameters• Validation rules• Algorithms • Export and sharing features
3Presentation of the
pilot version of the RAG
Consensus meeting(December 2017 meeting)
Implementation of adjustments
Pilot-testingand feedbacks
Release of the pilot version of the RAG
Implementation of improvementsRAG releaseasmagrave.pt
(2nd trimester 2018)
4
5
Figure 1: Development and implementation process of RAG.
(iv) Display for each physician a list of their patients anddate of the last medical appointment
(v) At follow-up visit, automatic display of the informa-tion inserted in the last appointment for specifiedmeasurements
(vi) Export features for potential data exchange withinternational severe asthma databases and the phar-macovigilance authorities
(vii) Automatic emails with status report of each registra-tion
2.3. Security and Data Sharing Policies. Security featurescompliant with the new European General Data ProtectionRegulation (GDPR) [37] and required procedures accordingto this legislation are being incorporated into the platform.
The registry was built on a framework residing in a serverhosted by VirtualCare. This server was configured with aSecure Sockets Layer (SSL) certificate fromComodo SecuritySolutions, Inc., ensuring that all data transferred between theweb server and browsers remain private and integral. Theaccess to the database is restricted, requiring authentication(using health professional number and password) and all
6 BioMed Research International
accesses to the database are stored and traceable. All changesto the database are also stored; each change generates a newdocument; the old document becomes out of date allowingthe tracking of changes (when, where, and by whom changeswere made to the documents).
RAG does not record any identifiable personal datafrom patients (e.g., date of birth is replaced by the year ofbirth, no ID numbers are registered, and patients’ names arepseudoanonymized so replaced with a code number) [38].The patients’ participation on RAG is free and voluntary,and patients may, in any moment and without penalty,withdraw the registry or verify and/or delete their data, bycontacting the technical support. Patients are informed onthe purposes of RAG, the data collected, and the implicationsof participating in this registry. The informed consent formis automatically generated at the time of inclusion. Onlypatients that agree, by a clear affirmative consent given by awritten statement, to the storage, processing, and sharing ofdata belonging to him/her are included in RAG. The signedconsent forms are upload into the application server filesystem, encrypted using phpseclib’s library of PHP, whichallows the usage of one of its encryption algorithms combinedwith a private key. When encrypted, the consent file cannotbe read unless the file decryption is activated with the correctcombination of algorithm and private key.The algorithm andprivate key are known only to VirtualCare.
An informed consent is also required by physicians whoare registered in RAG since they provide identifiable personaldata for that registration, namely, name, health professionalnumber, and email address. At the time of registration,physicians must indicate their acceptance by ticking a boxwith a clear statement on the storage and processing of theirpersonal data. The registration of each physician in RAGmust be validated by at least one of five members of REAG,designated coordinators of RAG.
Data within RAG belongs primarily to each patient andthen to the physician that inserted patients’ data into theregistry. Each physician is responsible for the management ofthe data that he/she inputted, belonging to his/her patients.Access to patients’ data by their physicians is based on theRole Based Access Control (RBAC) model that associatesprivileges and permissions to the roles (e.g., professionalcategories). This model allows easier administration andindependence in relation to the system users and permissionsassociated with its resources.
After authentication, each physician can access all theregistrations inserted by himself/herself, both for clinical andresearch purposes. One local coordinator will be designatedin each center. Each center coordinator has access, forpressing clinical purposes only, to all data inserted by thephysicians in that center. If a patient changes the attendingphysician, the new physician, if interested in having accessto the previously inserted data, must request authorizationto the former physician, with patient’s consent. Local andnational coordinators and RAG technical support may assistthis contact.
Data inserted by other physicians may be shared withinREAG for research purposes, after authorization. For this,the physician proposing the data analysis must fill-in a form
containing the aim and a brief description of the researchproject and the principal investigator or research group.When a request for abstracting data is filled, each physicianwith data matching the request is notified by email and has aperiod of 5 days to refuse the sharing of the data. In the case ofshared information, the privacy of the individual is assured,as registry data cannot be individually identifiable.
2.4. Pilot-Test. After the implementation of the selected dataelements, the supporting features, and validation rules, abeta version of RAG was presented during a REAG meeting(December 2017) and, after adjustments, it was pilot-testedfor a month. The pilot version was tested by 22 REAGmembers and 85 specific feedback comments were providedby 8 testers. The first version of RAG became ready afterimprovements being made based on the pilot-test feedback.
3. Results
The Portuguese Severe Asthma Registry is a national web-based disease registry. The access is made from the websiteof REAG, asmagrave.pt, after authentication.
RAG gathers data of adults and children with severeasthma followed at specialized care centers which, aftertreatment optimization and adequate management of comor-bidities, require step 4 or 5 of treatment according to GINArecommendations[1]. The implemented automatic algorithmdetermines the step of treatment for patients aged under6, between 6 and 12 and over 12 years, based on asthmamedication prescribed to the patient according to GINA rec-ommendations (Figure 2.A). In any case, the physician makesthe decision about the inclusion in the registry indicating thereason for inclusion (Figure 2.B). In fact, even if rarely used,some therapeutic combinations are not explicitly consideredin any of the GINA 2018 treatment steps and in these cases,the algorithm cannot present a result. The algorithm will beupdated in the future when these recommendations change.
The final data items of RAG are summarized in Table 2.RAG allows collecting data on different asthma medication,including Oral Corticosteroids (OCs), monoclonal antibod-ies, and even new therapies that may become available(Figure 3). Data considered as essential are compulsory,whereas desirable but not essential data may be skipped.The elements to be collected in the follow-up appointmentswere also defined as RAG was designed to collect dataprospectively.
4. Discussion
The Portuguese Severe Asthma Registry is a national web-based disease registry of adult and pediatric severe asthmapatients. It includes a comprehensive list of data elementsdefined by a multistep consensus process, supported byinternational definitions of severe asthma. The registry offersfeatures to facilitate data entry and to support decision-making. The collected data belongs primarily to each patientand then to the physician who inserted patients’ data intothe registry and can be shared for research purposes afterauthorization. A thorough characterization of severe asthma
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A
B
Figure 2: Screenshot of the implemented automatic algorithm to determine the step of treatment, based on asthma medication according toGINA recommendations. A: treatment step calculated by the algorithm; B: the 3 criteria for patients’ inclusion.
8 BioMed Research International
Table2:Dom
ains
anddataelem
entsrecorded
intheP
ortugu
eseS
evereA
sthmaR
egistry.
Patie
ntda
taDem
ograph
icdata
(gender∗,birthofmonth∗an
dyear∗,birthplace,place
ofresid
ence∗,bodym
assind
excalcu
latio
n∗,edu
catio
nyears∗,smokingh
abits∗,occup
ation∗
,fam
ilyhisto
ryofasthma∗
andof
asthma-relateddeath∗
,personalhistoryofrespira
tory
infec
tions
durin
gearlychild
hood∗,enviro
nmentalexposures)
Asth
mac
areinformation
(age
atasthmadiagnosis∗,age
atsevereasthmacla
ssification∗
,firstyearo
fspecia
lized
asthmafollow-up,medica
lspecia
ltyofthea
ttend
ingp
hysician∗
)Com
orbiditie
s∗§
Atop
yand
Infla
mmationbiom
arkers
Atop
y(to
talserum
IgE∗
,allergicsensitizatio
n∗,type(s)ofdiagnostictestu
sedtoconfi
rmaller
gicsensitization∗
)Inflammationbiom
arkers(FeN
O,blood
eosin
ophils,
sputum
eosin
ophils,
sputum
neutrophils)
Diagn
ostic
tests
Lung
functio
ntests
(FEV
1∗,F
VC∗,M
EF,residua
lvolum
e,specifica
irway
resistance,carbon
monoxided
iffusioncapacity,bronchialchallengetest)
Imaging
(thorax
X-ray∗
,thoraxCT
scan∗,sinus
CTscan
,bronchialendoscopy,bone
densito
metry)
Arterialblood
gases
Con
trol
and
Qua
lityof
Life
Asth
ma-relatedhealthcare
utilizatio
ndu
etoasthmainprevious
12mon
ths(or
since
thelastapp
ointment,whenatfollo
w-upvisit)
(num
bero
froutin
eprim
arycaremedica
lappointments,
routineh
ospitalcarem
edica
lappointments,
non-schedu
ledmedica
lappointments∗
§,em
ergencys
ervice
admissions∗§,
hospita
lizations∗§,intensivec
areu
nita
dmissions,n
eedform
echanicalventilation,
schoolor
labora
bsenteeism)
Asth
mac
ontro
lassessm
entaccording
toGIN
Arecommendatio
ns[1]
(frequ
ency
ofdaytim
esym
ptom
s∗§,activ
itylim
itatio
nsdu
etoasthma∗
§,anyn
ighta
wakening
duetoasthma∗
§,fre
quency
ofuseo
frelievermedica
tions
fora
sthma∗
§,respira
tory
functio
n,nu
mbero
fexacerbations
inlastyear/week∗
§)Asth
mac
ontro
lself-q
uestion
naire
s(CA
RAT∗
§an
dexternallin
kto
ACT)
Qualityof
lifes
elf-a
ssessm
entq
uestion
naire
s(externa
llinktoqu
ality
oflifeself-asse
ssmentq
uestionna
ires)
Therap
yAsth
mam
edication∗
§(O
Cs,ICs,LTR
As,L
ABAs,SAB
As,L
AMAs,SAM
As,xanthines,immun
osuppressors,immun
otherapy,m
onoclona
lantibodies,antibiotics,therapyadherence,inhalatio
ntechniqu
e)Other
medication
(protonpumpinhibitor,anti-depressiv
e/an
xiolytics,intrana
salsteroids,antih
istam
ines,long-term
oxygen
therapy,non-invasiv
eventilation)
∗Com
pulso
rydataelem
entsatinitialvisit;§
compu
lsory
dataelem
entsatfollo
w-up.
IgE:
immun
oglobu
lin-E;FeN
O:Fractionalexhaled
NitricOxide;FEV
1:forced
expiratory
volumeinthefi
rstsecon
d;FV
C:forced
vitalcapacity
;MEF
:midexpiratory
flow;C
T:compu
tedtomograph
yscan;C
ARA
T:Con
trolo
fAllergicRh
initisa
ndAsth
maTest[33,34]a
ndAC
T:Asth
maCon
trolT
est[35];OCs
:OralC
orticosteroids;ICs:inhaledcorticosteroids,LT
RAs:Leuk
otrie
neRe
ceptor
Antagon
ist;L
ABA
:Lon
g-Ac
ting
Beta2Agonist;
SABA
:Sho
rt-ActingBe
taAgonist;
LAMA:L
ong-Ac
tingMuscarin
icAntagon
ist;SAMA:Sho
rt-ActingMuscarin
icAntagon
ist.
BioMed Research International 9
Figure 3: Screenshot of RAG, picturing asthma medication being collected by RAG.
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Table 3: RAG features useful to support severe asthma management.
Elements of chronic care management [36] RAG featuresCurrent Future
Ensure regular follow-upDisplays for each physiciana list of their patients anddate of the last medical
appointment
Display a simple message withthe counting the months sincethe last appointment and flag
patients without medical reviewin more than 6 months
Facilitate individual patient care planning
For specifiedmeasurements, displays theinformation inserted in thelast appointment and its
progress over time
At the beginning of eachfollow-up appointments, a brief
report of the previousappointment will be displayed
Embed evidence-based guidelines into clinical practicehas a decision support toolto identify patients treatedin step 4 or 5 according toGINA recommendations
Monitor the performance of practice teamDisplays aggregated data on
the number of patientsincluded by each center
Aggregated real-time data withdifferent graphic displays of
trends on specified managementand clinical outcomes will beproduced, to give a feedback tophysicians about the status of the
care of their patients and/orhealthcare center, towards
delivering the recommendedcare for severe asthma.
patients, using a tool consensually defined to be appliedprospectively by specialists from Portuguese hospitals, isambitious but can improve the information on the diseaseand contribute to the adoption of evidence-based policies forsevere asthma care. This harmonized approach is essentialto improve the management of the different phenotypesthis pathology. The Portuguese registry was designed toenable future linkage with other databases, as registries fromother countries, as well as the Portuguese PharmacovigilanceAuthority.
The data elements included in RAG were selected toreflect the current clinical status of the patient avoidingunnecessary burden within the clinical workflow. Through amultistep consensusmethod, a balancewas achieved betweenthe data commonly used by clinicians, the data included inother severe asthma registries, the data needed for the RAG’sreliability, and the expected overall burden for respondents.Therefore, there was an effort to data collected by RAGwhich can be compared to data collected by other registriesenabling comparisons across populations and settings. Aconsensus method was used to summarize information fromdifferent sources, to gather insights from experts and toenable decision-making [39]. After the selection and imple-mentation of the data elements and validation rules, RAGwaspilot-tested and iteratively improved before release.
The patients’ inclusion criteria were also defined byconsensus and an automatic algorithm was implementedto assist patients’ eligibility assessment, based on GINArecommendations. Clinical guidelines provide a link betweenthe best available evidence and the clinical practice, having
the potential to improve enormously patient care [40]. How-ever, these may have limitations especially for a particulardisease where evidence is still insufficient as in severe asthmaand cannot be used as a strict formula. During algorithmdevelopment became clear that GINA 2018 treatment stepsdo not account for all possible therapeutic combinations.In the future, it would be important to assess if clinicallyrelevant combinations are not included in the GINA rec-ommendations, to contribute to the improvement of therecommendations concerning severe asthma.
Disease registries are used to support healthcareproviders on disease care and to gather evidence for scientificand policy purposes. Therefore, a disease registry should(1) facilitate the access to patient-specific information atthe point of care for healthcare delivery and provide statusreports of aggregated information to give feedback tophysicians or to medical groups about the patient population[36] and (2) provide real-world data on clinical practice,patient outcomes, safety, and/or comparative effectiveness forresearch purposes[5]. RAG has several features to supporthealthcare providers on severe asthma care (Table 3).Additionally, as suggested by the members of REAG, RAGincludes the automatic generation of clinical notes based onthe inputted data that can be pasted into the institutionalelectronic clinical record of the patient, avoiding duplicationof effort.
Real-world prospective observational research, includinglong-term follow-up data provided by registries, is increas-ingly considered important to generate evidence regardingeffectiveness, safety, and quality of care [41]. The utility of a
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registry relies on the quality of data collection and storage[5]. RAG’s data are collected at the time of routine medicalappointments, in the same manner for every patient, withspecific and consistent data definitions. To minimize errorsrelated to data completeness and consistency, several logicaland validation rules have been implemented and periodicdata audits are being planned. An additional challenge is therecruitment and retention of participants that is critical to thegeneralizability of a registry [5]. Potential RAG users wereinvolved from the beginning in the development and imple-mentation process and stated their motivation to includepatients. Nevertheless, to retain users’ interest, the burden ofparticipation was kept as low as possible and features wantedby the physicians were implemented.
RAG was designed to comply with security and dataprotection standards, including key challenges of the newEuropean GDPR. No individually identifiable informationof the patient is recorded in the database. Only the his/herphysician can link the recorded data to the patient thatremains the owner of the data. RAG’s data sharing policiesallow the use of data for research, requiring the consent ofthe physician that recorded the data and a simple process togather this consent was implemented.
5. Conclusions
The Portuguese Severe Asthma Registry is a national web-based disease registry of adult and pediatric severe asthmapatients. The development and implementation of the RAGwas a multistep consensus process. RAG includes automaticassessment of eligibility, easy data input, and features forexporting and sharing data. It allows prospective clinical datacollection, promotes standardized clinical records, and cre-ates a secure virtual setting for collaborative clinical research.RAG database is prepared for future data exchange withinternational databases. In the future, the analysis of RAGdata may contribute to inform evidence-based healthcarepolicies for severe asthma.
Data Availability
Data sharing is not applicable to this article.
Conflicts of Interest
The authors declare that there are no conflicts of interestregarding the publication of this article.
Acknowledgments
The authors thank all members of the REAG (Rede deEspecialistas em AsmaGrave), namely, AnaMorete, Ana SofiaBarroso, Antonio Reis, Aurora Carvalho, Carmen Botelho,Catarina Ferreira, Claudia Pinto, Dolores Moniz, Elza Tomas,Emılia Alvares, Eugenia Almeida, Filipe Inacio, Isabel Car-rapatoso, Isabel Pereira, Jorge Romariz, Jose Pedro Moreirada Silva, Leonor Cunha, Luısa Barata, Luısa Geraldes, LuısaSemedo, Madalena Emiliano, Manuel Barbosa, Margarida
Raposo, Maria Jose Silvestre, Mariana Mendes, Marta DiasSousa, Nuno Sousa, Orlando Santos, Paula Duarte, RosarioFerreira, Sofia Furtado, and Vıtor Teixeira. RAGwas financedby an unrestricted grant from Novartis Farma-ProdutosFarmaceuticos, S.A., which had noparticipation in any part ofthe development and implementation of the registry and hasno access to the stored data for any purpose.The first author isfinanced by a PhD Grant (PD/BD/113665/2015) and financedby the European Social Fund and national funds of MCTES(Ministerio da Ciencia, Tecnologia e Ensino Superior) throughFCT (Fundacao para a Ciencia e Tecnologia, I.P) PhD Pro-gramme Ref. PD/0003/2013-Doctoral Programme in Clinicaland Health Services Research (PDICSS). The publicationof this article was supported by ERDF (European RegionalDevelopment Fund) through the operation POCI-01-0145-FEDER-007746 funded by the Programa Operacional Com-petitividade e Internacionalizacao – COMPETE2020 and byNational Funds through FCT - Fundacao para a Cienciae a Tecnologia within CINTESIS, R&D Unit (referenceUID/IC/4255/2013).
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